Omega® Crown (Waterproof, Tap 0.90 mm), case numbers: 1779, 198.1779

Omega® Crown (Waterproof, Tap 0.90 mm), case numbers: 1779, 198.1779

Omega® Steel Waterproof Crown, thin square, diameter 4.00 mm, fits tube 2.00 mm, total height of crown 2.55 mm, medium pipe, tap 0.90 mm. Fits Omega® case numbers: 1779, 1981779

* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied by H. & W. Perrin Company Limited. Using generic parts may devalue your watch.